*SUPPORT*
IN: zup OUT: GREEN
IN: wif gazzer tufa gazzer wif OUT: RED BLUE RED
IN: wif lug OUT: RED RED
IN: tufa lug OUT: BLUE BLUE
IN: wif blicket zup lug OUT: RED PURPLE GREEN GREEN
IN: wif OUT: RED
IN: tufa kiki wif OUT: RED BLUE
IN: zup wif lug OUT: GREEN RED RED
IN: zup wif lug kiki tufa OUT: BLUE GREEN RED RED
IN: blicket zup lug kiki blicket OUT: PURPLE PURPLE GREEN GREEN
IN: zup lug OUT: GREEN GREEN
IN: wif wif kiki zup OUT: GREEN RED RED
IN: blicket zup gazzer zup OUT: GREEN PURPLE GREEN
IN: wif zup kiki blicket kiki zup OUT: GREEN PURPLE RED GREEN

*QUERY*
IN: tufa lug gazzer zup OUT: GREEN BLUE BLUE
IN: tufa lug kiki zup gazzer zup gazzer zup OUT: GREEN GREEN GREEN BLUE BLUE
IN: zup kiki zup kiki zup OUT: GREEN GREEN GREEN
IN: zup kiki wif OUT: RED GREEN
IN: blicket OUT: PURPLE
IN: zup lug gazzer zup OUT: GREEN GREEN GREEN
IN: blicket lug OUT: PURPLE PURPLE
IN: tufa wif OUT: BLUE RED
IN: tufa wif wif lug gazzer tufa gazzer blicket OUT: PURPLE BLUE BLUE RED RED RED
IN: tufa OUT: BLUE

*GRAMMAR*
zup -> GREEN 
 wif -> RED 
 tufa -> BLUE 
 blicket -> PURPLE 
 u1 lug -> [u1] [u1] 
 x1 kiki u1 -> [u1] [x1] 
 x1 gazzer u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 